@book{91219,
	author = {Mattes, Merrill J.,},
	title = {Colter's Hell and Jackson's Hole :},
	publisher = {Project Gutenberg,},
	year = {2015},
	address = {Salt Lake City, UT :},
	note = {Release date is 2015-11-04},
	url = {https://www.gutenberg.org/ebooks/50381}
}